---
id: CVE-2026-109971
title: A flaw was found in the clevis PKCS#11 pin
summary: >-
  A flaw was found in the clevis PKCS#11 pin. The clevis-decrypt-pkcs11 script
  passes the PKCS#11 token PIN as a command-line argument to pkcs11-tool, making
  it visible to any local user through process listing or the /proc filesystem.
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-214
vendor: Red Hat
product: Red Hat Enterprise Linux 10
affected:
  - enterprise_linux 10
  - enterprise_linux 7
  - enterprise_linux 8
  - enterprise_linux 9
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T12:17:17.587'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109971'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-109971'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2550363'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2550363'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109971.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-109971'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109971'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
ingestedAt: '2026-10-14T10:25:41.200Z'
---

## Overview

A flaw was found in the clevis PKCS#11 pin. The clevis-decrypt-pkcs11 script passes the PKCS#11 token PIN as a command-line argument to pkcs11-tool, making it visible to any local user through process listing or the /proc filesystem.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109971.json)